This account of children's learning to ascribe understanding to themselves and others may help to explain children's theory of mind.

David R. Olson is University Professor Emeritus at the Ontario Institute for Studies in Education at the University of Toronto, Canada. He has authored more than 300 articles and 20 books, including The World on Paper (Cambridge, 1994), Psychological Theory and Educational Reform: How School Remakes Mind and Society (Cambridge, 2004) and The Mind on Paper (Cambridge, 2016). His research focuses on children's developing consciousness of their own and others' mental states and on the role that language and literacy play in this development.

Preface; 1. Introduction; 2. Understanding as feeling and understanding as concept; 3. The linguistic basis of mind- linguistic concepts; 4. Subjective mental states: the feeling of understanding; 5. Objective mental states: the truth of understanding; 6. Intersubjectivity of mental states; 7. Identity conditions for feelings and concepts; 8. What 'understanding' means: ascribing understanding; 9. The referential scope of understanding; 10. Understanding in the theory of mind; 11. Understanding and making sense; 12. Understanding as a learnable skill; 13. Understanding in everyday life; 14. Ascriptivism and cognitive development; References.